<html lang="en" xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="UTF-8"/>
    <meta name="viewport"
          content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0"/>
    <meta http-equiv="X-UA-Compatible" content="ie=edge"/>
    <title>邮件验证码</title>
</head>
<body>
<p>您的验证码为</p>
<h1 th:text="${yzm}"></h1>
</body>
</html>